WAEC Biology 2021 Theory — Question 7
Question 7 of 26 from the West African Examinations Council (WAEC) Biology 2021 Theory paper, with the correct answer and a full explanation.
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2(b). Describe briefly the generalised structure of a tooth in animals.
Model answer
A tooth consists of enamel, dentine, cementum, and pulp tissue. The portion of the tooth exposed above the gum (in the oral cavity) is the crown, while the portion below the crown, embedded in the jaw, is the root.
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